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Vulnerability record · CVE-2024-33600 · published 6 May 2024

CVE-2024-33600: Gnu glibc null pointer dereference vulnerability

Gnu · Glibc

nscd: Null pointer crashes after notfound response If the Name Service Cache Daemon's (nscd) cache fails to add a not-found netgroup response to the cache, the client request can result in a null pointer dereference. This flaw was introduced in glibc 2.15 when the cache was added to nscd. This vulnerability is only present in the nscd binary.

5.9 CVSS 3.1 Medium EPSS 1.2% · top 32.6% CWE-476 · NULL pointer dereference
5.9CVSS 3.1 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
12Affected product versions listed by NVD
9References
17 Jun 2026Last modified by NVD

Description

nscd: Null pointer crashes after notfound response If the Name Service Cache Daemon's (nscd) cache fails to add a not-found netgroup response to the cache, the client request can result in a null pointer dereference. This flaw was introduced in glibc 2.15 when the cache was added to nscd. This vulnerability is only present in the nscd binary.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

12 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2024/07/22/5 Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/06/msg00026.html Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20240524-0013/ Third Party Advisory
https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2024-0006 Broken Link
http://www.openwall.com/lists/oss-security/2024/07/22/5 Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2024/06/msg00026.html Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20240524-0013/ Third Party Advisory
https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2024-0006 Broken Link
https://cert-portal.siemens.com/productcert/html/ssa-082556.html

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Source: NIST National Vulnerability Database (record CVE-2024-33600), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.